Signalbox 65dB 1900MHz Repeater + Panel Antenna + Yagi Antenna + Black Cable GSM/DCS/CDMA/3G Cell Phone Signal Booster/Amplifier Color: Black Compatible Phone Manufacturer: All Phone Work on 1900MHz Compatible Carrier: All Carriers Work on 1900MHz Frequency: 1850-1910MHz/1930-1990MHz Gain: 65dBi Connector: N-female Power Requirements: Power Supply: AC 100-240V; DC 12V/2.0A Dimension: 4.80 x 4.29 x 1.06 in